gps positioning program testing by direct use of them GPS satellites provide two kinds of location-based services in the P-code (precise code) and the C/A code (coarse code). P code for military service, positioning accuracy of 3 meters C/A code of the open society, positioning accuracy of 14 meters. For their own security reasons, the United States has implemented a policy of SA and AS. SA policy is artificially introduced in the C/A code of the error, so that the positioning accuracy down to 100 meters AS policy is implemented in P-code encryption. GPS open society, the various types of receivers, measuring equipment have sprung up, and are widely used in all walks of life, completely changed the traditional positioning and navigation.

GPS卫星定位源码\gps 卫星定位源吗\xgygsm\CallQueu.frm
...............\................\......\CarInput.frm
...............\................\......\CarInput.frx
...............\................\......\ClearPhone.cls
...............\................\......\CLock.cls
...............\................\......\CommSet.frm
...............\................\......\COMMSET.FRX
...............\................\......\CommStrm.cls
...............\................\......\CTryOut.cls
...............\................\......\CWorkMode.cls
...............\................\......\DataWind.frm
...............\................\......\delay.cls
...............\................\......\FilterSet.frm
...............\................\......\FilterSet.frx
...............\................\......\Flash.frm
...............\................\......\Flash.frx
...............\................\......\Form1.frm
...............\................\......\Form1.frx
...............\................\......\Form2.frm
...............\................\......\Form2.frx
...............\................\......\form3.frm
...............\................\......\form3.frx
...............\................\......\Form4.frm
...............\................\......\Form4.frx
...............\................\......\Form5.frm
...............\................\......\Form5.frx
...............\................\......\Form6.frm
...............\................\......\Form6.frx
...............\................\......\Form7.frm
...............\................\......\Form7.frx
...............\................\......\Form8.frm
...............\................\......\Form9.frm
...............\................\......\FRMADDCar.frm
...............\................\......\frmAddCar.frx
...............\................\......\frmAlertLayer.frm
...............\................\......\frmLogin.frm
...............\................\......\frmLogin.frx
...............\................\......\frmLogin1.frm
...............\................\......\frmLogin1.frx
...............\................\......\frmTarget.frm
...............\................\......\GlbF.bas
...............\................\......\Glbvar.bas
...............\................\......\GpsDemo.DEP
...............\................\......\Gpst.vbp
...............\................\......\GPST.vbw
...............\................\......\lastmodi.txt
...............\................\......\MDIMain.frm
...............\................\......\MDIMain.frx
...............\................\......\MDIMAIN.log
...............\................\......\Monitor.frm
...............\................\......\Monitor.log
...............\................\......\MSSCCPRJ.SCC
...............\................\......\PropWin.frm
...............\................\......\PropWin.frx
...............\................\......\Record.cls
...............\................\......\RplyCnfg.frm
...............\................\......\RplyFile.cls
...............\................\......\RplyStrm.cls
...............\................\......\SelCMP.frm
...............\................\......\SetIntervalForm.frm
...............\................\......\TaDrSet.frm
...............\................\......\TaDrSet.log
...............\................\......\TaMan.cls
...............\................\......\Target.cls
...............\................\......\Tranform.cls
...............\................\......\xuanze.frm
...............\................\......\xuanze.frx
...............\................\xgygsm
...............\gps 卫星定位源吗
GPS卫星定位源码

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